they will drive fires. our fuel is very dry because we have a seasonal precipitation regime. we haven't had any precipitation since the winter and we had very high temperatures in the summer. this is all the natural ingredients. i'll tell you what's not natural. we had 15 of our largest record breaking fires since 2000. we had record breaking temperatures over that period. we're getting an earlier fire season. we're getting a hotter drier and the fire season is persisting longer into the winter. it's no coincidence that that increase in temperature which is driven by greenhouse gases is driving these fires. we're facing a new fire regime in the 21st century. >> ken, when the president complains about poor forestry management out there in california, what's he com complaining about and does it have merit? >> it's very complex.